139929103 has 2 divisors, whose sum is σ = 139929104. Its totient is φ = 139929102.

The previous prime is 139928993. The next prime is 139929113. The reversal of 139929103 is 301929931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139929103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139929113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69964551 + 69964552.

It is an arithmetic number, because the mean of its divisors is an integer number (69964552).

Almost surely, 2^139929103 is an apocalyptic number.

139929103 is a deficient number, since it is larger than the sum of its proper divisors (1).

139929103 is an equidigital number, since it uses as much as digits as its factorization.

139929103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 139929103 is about 11829.1632417513. The cubic root of 139929103 is about 519.1617448486.

The spelling of 139929103 in words is "one hundred thirty-nine million, nine hundred twenty-nine thousand, one hundred three".